US985A - grieb and henry grieb - Google Patents

grieb and henry grieb Download PDF

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US985A
US985A US985DA US985A US 985 A US985 A US 985A US 985D A US985D A US 985DA US 985 A US985 A US 985A
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grieb
spikes
henry
concave
shows
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D33/00Accessories for digging harvesters
    • A01D33/06Haulm-cutting mechanisms

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  • This improvement consists in making spikes of sufficient length and strength to be flattened on that end above the cylinder and concave and being attached by having the other end formed of a screw are thus made adjustable.
  • Figure 1 shows the form of the spike with the screw at one end and flattened at the other.
  • Fig. 2 is a section of the con cave and cylinderof a threshing machine and shows that position of the spikes, when required to tliresh large grain.
  • Fig. 3 shows them turned or in that position when necessary to thresh small grain.
  • i b, Fig. 2 represents them in that position in which the flattened surface is in a direct line with that produced by the revolution of the cylinder.
  • Figs. 2 and 3 shows the ends of "a number of spikes made in this manner.
  • the spikes of the concave can, if desired, be made adjustable in the same manner.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Threshing Machine Elements (AREA)

Description

- F. a H. GRIEB! Formation and Mode of Securing the Spikes of Thrasliing Machines. I No. 985. 4 Patented 00.4Q, 1838.
u vanes, HMO-Uhogvlphcr. mm o. c
UNITED l STATES PATENT OFFICE.
FRED. GRIEB AND HENRY GRIEB, OF HAGERSTOWN, MARYLAND.
, 'lHRESHING-MACHINE.
Specification of Letters Patent No. 985, dated October 19, 1 838.
To all whom, it may concern:
Be it known that we,FREDnRIcK GRIEB and HENRY GRIEB, of Hagerstown, in the county of Washingtonand State of Maryland, have invented a new and useful Adjusting the Spikes of Threshing-Machines; and we do hereby declare that the following is a full and exact description thereof, reference being had to the draw-' ings, accompanying and making part of said description.
This improvement consists in making spikes of sufficient length and strength to be flattened on that end above the cylinder and concave and being attached by having the other end formed of a screw are thus made adjustable.
Figure 1 shows the form of the spike with the screw at one end and flattened at the other. Fig. 2 is a section of the con cave and cylinderof a threshing machine and shows that position of the spikes, when required to tliresh large grain. Fig. 3, shows them turned or in that position when necessary to thresh small grain.
As seen at a, Fig. 3, the spikes after being screwed into their proper places are turned partly around, thus more nearly filling the space between the spikes of the concave, and
Improvement in'the Formation and Mode of if necessary they may be turned entirely around so that their flattened surfaces will be on a direct line with the spikes of the concave. i
i b, Fig. 2, represents them in that position in which the flattened surface is in a direct line with that produced by the revolution of the cylinder.
0, Figs. 2 and 3, shows the ends of "a number of spikes made in this manner.
Itinay be understood that the spikes of the concave can, if desired, be made adjustable in the same manner.
Now we do not claim to be the first to have i i made the spikes of threshing machines adjustable, nor the mode of securing them by
US985D grieb and henry grieb Expired - Lifetime US985A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545188A (en) * 1982-03-26 1985-10-08 National Research Development Corporation Crop engaging device and method
US4581880A (en) * 1981-05-15 1986-04-15 National Research Development Corporation Crop engaging apparatus and methods
US20100085834A1 (en) * 2008-10-08 2010-04-08 Kalidindi Sanyasi R Method for alternately sifting and blending powders in the same operation
EP3228713A1 (en) 2011-06-30 2017-10-11 Monsanto Technology LLC Alfalfa plant and seed corresponding to transgenic event kk 179-2 and methods for detection thereof
EP3610729A1 (en) 2018-08-16 2020-02-19 Bayer Cropscience LP Compositions and methods for varroa mite control
US11464169B2 (en) * 2017-12-28 2022-10-11 Brian G. Robertson Combine harvester concave threshing bar

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581880A (en) * 1981-05-15 1986-04-15 National Research Development Corporation Crop engaging apparatus and methods
US4545188A (en) * 1982-03-26 1985-10-08 National Research Development Corporation Crop engaging device and method
US4696154A (en) * 1982-03-26 1987-09-29 National Research Development Corporation Crop engaging device and method
US20100085834A1 (en) * 2008-10-08 2010-04-08 Kalidindi Sanyasi R Method for alternately sifting and blending powders in the same operation
EP3228713A1 (en) 2011-06-30 2017-10-11 Monsanto Technology LLC Alfalfa plant and seed corresponding to transgenic event kk 179-2 and methods for detection thereof
US11464169B2 (en) * 2017-12-28 2022-10-11 Brian G. Robertson Combine harvester concave threshing bar
EP3610729A1 (en) 2018-08-16 2020-02-19 Bayer Cropscience LP Compositions and methods for varroa mite control

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